20874654

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 48372480

約数和(自身を除く): 27497826

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 67, 114, 134, 171, 201, 342, 402, 603, 911, 1206, 1273, 1822, 2546, 2733, 3819, 5466, 7638, 8199, 11457, 16398, 17309, 22914, 34618, 51927, 61037, 103854, 122074, 155781, 183111, 311562, 366222, 549333, 1098666, 1159703, 2319406, 3479109, 6958218, 10437327, 20874654]

約数ペア:

[(1, 20874654), (2, 10437327), (3, 6958218), (6, 3479109), (9, 2319406), (18, 1159703), (19, 1098666), (38, 549333), (57, 366222), (67, 311562), (114, 183111), (134, 155781), (171, 122074), (201, 103854), (342, 61037), (402, 51927), (603, 34618), (911, 22914), (1206, 17309), (1273, 16398), (1822, 11457), (2546, 8199), (2733, 7638), (3819, 5466)]